INTERPROFESSION DU GRUYÈRE, et al., v. U.S. DAIRY EXPORT COUNCIL, et al., Twas all about exclusive right to control the use of Gruyere for cheeses in the US.  This case began with a 2015 application by Interprofession du Gruyère, a Swiss registered association, and Syndicat Interprofessionnel du Gruyère , a French syndicat for a certification mark  GRUYERE.  A certification mark is used to certify regional or other origin, material, mode of manufacture, quality, accuracy, or other characteristics of goods or services or that the work or labor on the goods or services was performed by members of a union or other organization.  So, for example, the mark ROQUEFORT is used to certify cheese that comes from a specific municipality in France; UL or Underwriters Laboratories certifies, among other things, representative samplings of electrical equipment meeting certain safety standard.
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